package com.cheyun.netsalev3.utils;

import android.annotation.SuppressLint;
import android.content.ContentUris;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.provider.DocumentsContract;
import android.provider.MediaStore;
import android.util.Log;

import java.io.File;
import java.io.FileOutputStream;
import java.text.SimpleDateFormat;
import java.util.Date;

@SuppressLint("NewApi")  
public class UriUtils {  
      
    /**   
     * Get a file path from a Uri. This will get the the path for Storage Access   
     * Framework Documents, as well as the _data field for the MediaStore and   
     * other file-based ContentProviders.   
     *   
     * @param context The context.   
     * @param uri The Uri to query.   
     */    
    public static String getPath(final Context context, final Uri uri) {    
        
        final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;    
        
        // DocumentProvider    
        if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {    
            // ExternalStorageProvider    
            if (isExternalStorageDocument(uri)) {    
                final String docId = DocumentsContract.getDocumentId(uri);    
                final String[] split = docId.split(":");    
                final String type = split[0];    
        
                if ("primary".equalsIgnoreCase(type)) {    
                    return Environment.getExternalStorageDirectory() + "/" + split[1];    
                }    
        
                // TODO handle non-primary volumes    
            }    
            // DownloadsProvider    
            else if (isDownloadsDocument(uri)) {    
        
                final String id = DocumentsContract.getDocumentId(uri);    
                final Uri contentUri = ContentUris.withAppendedId(    
                        Uri.parse("content://downloads/public_downloads"), Long.valueOf(id));    
        
                return getDataColumn(context, contentUri, null, null);    
            }    
            // MediaProvider    
            else if (isMediaDocument(uri)) {    
                final String docId = DocumentsContract.getDocumentId(uri);    
                final String[] split = docId.split(":");    
                final String type = split[0];    
        
                Uri contentUri = null;    
                if ("image".equals(type)) {    
                    contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;    
                } else if ("video".equals(type)) {    
                    contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;    
                } else if ("audio".equals(type)) {    
                    contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;    
                }    
        
                final String selection = "_id=?";    
                final String[] selectionArgs = new String[] {    
                        split[1]    
                };    
        
                return getDataColumn(context, contentUri, selection, selectionArgs);    
            }    
        }    
        // MediaStore (and general)    
        else if ("content".equalsIgnoreCase(uri.getScheme())) {    
            return getDataColumn(context, uri, null, null);    
        }    
        // File    
        else if ("file".equalsIgnoreCase(uri.getScheme())) {    
            return uri.getPath();    
        }    
        
        return null;    
    }
    /**
     * 适配api19及以上,根据uri获取图片的绝对路径
     *
     * @param context 上下文对象
     * @param uri     图片的Uri
     * @return 如果Uri对应的图片存在, 那么返回该图片的绝对路径, 否则返回null
     */
    @SuppressLint("NewApi")
    public static String getRealPathFromUriAboveApi19(Context context, Uri uri) {
        String filePath = null;
        if (DocumentsContract.isDocumentUri(context, uri)) {
            // 如果是document类型的 uri, 则通过document id来进行处理
            String documentId = DocumentsContract.getDocumentId(uri);
            if (isMediaDocument(uri)) { // MediaProvider
                // 使用':'分割
                String id = documentId.split(":")[1];

                String selection = MediaStore.Images.Media._ID + "=?";
                String[] selectionArgs = {id};
                filePath = getDataColumn(context, MediaStore.Images.Media.EXTERNAL_CONTENT_URI, selection, selectionArgs);
            } else if (isDownloadsDocument(uri)) { // DownloadsProvider
                Uri contentUri = ContentUris.withAppendedId(Uri.parse("content://downloads/public_downloads"), Long.valueOf(documentId));
                filePath = getDataColumn1(context, contentUri, null, null);
            }
        } else if ("content".equalsIgnoreCase(uri.getScheme())){
            // 如果是 content 类型的 Uri
            filePath = getDataColumn(context, uri, null, null);
        } else if ("file".equals(uri.getScheme())) {
            // 如果是 file 类型的 Uri,直接获取图片对应的路径
            filePath = uri.getPath();
        }
        return filePath;
    }

    /**   
     * Get the value of the data column for this Uri. This is useful for   
     * MediaStore Uris, and other file-based ContentProviders.   
     *   
     * @param context The context.   
     * @param uri The Uri to query.   
     * @param selection (Optional) Filter used in the query.   
     * @param selectionArgs (Optional) Selection arguments used in the query.   
     * @return The value of the _data column, which is typically a file path.   
     */    
    public static String getDataColumn(Context context, Uri uri, String selection,    
            String[] selectionArgs) {    
        
        Cursor cursor = null;    
        final String column = "_data";    
        final String[] projection = {    
                column    
        };    
        
        try {    
            cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs,    
                    null);    
            if (cursor != null && cursor.moveToFirst()) {    
                final int column_index = cursor.getColumnIndexOrThrow(column);    
                return cursor.getString(column_index);    
            }    
        } finally {    
            if (cursor != null)    
                cursor.close();    
        }    
        return null;    
    }

    /**
     * 获取数据库表中的 _data 列，即返回Uri对应的文件路径
     * @return
     */
    private static String getDataColumn1(Context context, Uri uri, String selection, String[] selectionArgs) {
        String path = null;

        String[] projection = new String[]{MediaStore.Images.Media.DATA};
        Cursor cursor = null;
        try {
            cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, null);
            if (cursor != null && cursor.moveToFirst()) {
                int columnIndex = cursor.getColumnIndexOrThrow(projection[0]);
                path = cursor.getString(columnIndex);
            }
        } catch (Exception e) {
            if (cursor != null) {
                cursor.close();
            }
        }
        return path;
    }


    /**   
     * @param uri The Uri to check.   
     * @return Whether the Uri authority is ExternalStorageProvider.   
     */    
    public static boolean isExternalStorageDocument(Uri uri) {    
        return "com.android.externalstorage.documents".equals(uri.getAuthority());    
    }    
        
    /**   
     * @param uri The Uri to check.   
     * @return Whether the Uri authority is DownloadsProvider.   
     */    
    public static boolean isDownloadsDocument(Uri uri) {    
        return "com.android.providers.downloads.documents".equals(uri.getAuthority());    
    }    
        
    /**   
     * @param uri The Uri to check.   
     * @return Whether the Uri authority is MediaProvider.   
     */    
    public static boolean isMediaDocument(Uri uri) {    
        return "com.android.providers.media.documents".equals(uri.getAuthority());    
    }

    /***
     * 获取拍照后的路径
     * @param data
     * @return
     */
    public static String getTakePhotoPath(Intent data) {
        Bitmap photo = null;
        Uri uri = data.getData();
        if (uri != null) {
            photo = BitmapFactory.decodeFile(uri.getPath());
        }
        if (photo == null) {
            Bundle bundle = data.getExtras();
            if (bundle != null) {
                photo = (Bitmap) bundle.get("data");
            } else {
                return "";
            }
        }

        FileOutputStream fileOutputStream = null;
        try {
            // 获取 SD 卡根目录
            String saveDir = Environment.getExternalStorageDirectory() + "/fiberstore_photos";
            // 新建目录
            File dir = new File(saveDir);
            if (!dir.exists()) {
                dir.mkdir();
            }
            // 生成文件名
            SimpleDateFormat t = new SimpleDateFormat("yyyyMMddHHmmss");
            String filename = "MT" + (t.format(new Date())) + ".jpg";
            /**新建文件*/
            File file = new File(saveDir, filename);
            /***打开文件输出流*/
            fileOutputStream = new FileOutputStream(file);
            // 生成图片文件
            /**
             * 对应Bitmap的compress(Bitmap.CompressFormat format, int quality, OutputStream stream)方法中第一个参数。
             * CompressFormat类是个枚举，有三个取值：JPEG、PNG和WEBP。其中，
             * PNG是无损格式（忽略质量设置），会导致方法中的第二个参数压缩质量失效，
             * JPEG不解释，
             * 而WEBP格式是Google新推出的，据官方资料称“在质量相同的情况下，WEBP格式图像的体积要比JPEG格式图像小40%。
             */
            photo.compress(Bitmap.CompressFormat.PNG, 100, fileOutputStream);
            /***相片的完整路径*/
            return file.getPath();
        } catch (Exception e) {
            Log.e("UriUtils",e.getMessage());
        } finally {
            if (fileOutputStream != null) {
                try {
                    fileOutputStream.close();
                } catch (Exception e) {
                    Log.e("UriUtils",e.getMessage());
                }
            }
        }
        return "";
    }
}  